Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487147 | Optical information recording medium and an optical information recording/reproduction device | Naoyasu Miyagawa, Tetsuya Akiyama | 2002-11-26 |
YG
Yasuhiro Gotoh
Overall (2002): #88,881 of 266,432Top 35%
1
Patents 2002